23 lines
540 B
Perl
23 lines
540 B
Perl
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#!/usr/bin/env perl
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# Convert numbers to hex, when doing so is likely to increase compressibility.
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# This actually makes the script slightly longer, but generally makes it compress
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# to something shorter.
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#
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# Here we're targeting constants like 0xFF, 0xFFFF0000, 0x10101, 0x100000000, etc.
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sub digitize {
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my $number = shift;
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if ($number >= 256) {
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my $nn = sprintf("%x", $number);
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if ($nn =~ /^[01f]+$/i) { return "0x$nn"; }
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}
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return $number;
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}
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while (<>) {
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s/([^a-zA-Z0-9_])(\d+)/$1 . digitize $2/eg;
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print;
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}
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